I'll answer them ALL as best i can ;)
http://www.formspring.me/nikilynn11
Ask people to ask you more questions, or find one of those formspring people who do spam (ask many questions at once).
They're not
Infinite
its a site where you can talk 2 ppl and ask them questions.In this site,you can ask and answer interesting questions from your friends and get to know about them clearly.
You cannot send messages, however you can personally ask questions whcih are shown in your inbox.
On he official formspring @xoxodaliana or just follow her on twitter @MissDaliana ... shes very sweet and reaches out to her fans.
You need to enable your asks on settings and they you can go to yoururl.tumblr.com/ask and that's it. Or you could use formspring and connect it to tumblr.
True/false Questions This or That Could You/Would You Have you Ever Random Polls and Surveys and lots more.
Yes there is other sites. Try Splashoo.com where you can ask or answer questions, or create ratings, rankings & votes. Try chacha.me and also myyearbook has a feature on it where you can ask people questions as well plus many other features too. It's like myspace in a way. Maybe you can try formspring's chat version talkd.me
Search for, and then follow spammers.
no. because you dont have an account.
at person creates a profile then other people ask them questions and can choose to ask them question anonymously or known. Some people think it is pathetic (like me) but others enjoy not having the guts to say things aloud about some one but having the guts to do it on the internet, which is dumb.